lb1855nm Sanyo Semiconductor Corporation, lb1855nm Datasheet - Page 4

• Manufacturer Part Number: lb1855nm
• Description: 3-phase Brushless Motor Driver
• Manufacturer: Sanyo Semiconductor Corporation

Continued from preceding page.
Pin No.
10
11
12
13
14
15
16
7
8
9
V
V
W
W
AGC
U
U
V
V
CREF
Pin
V
REF
IN
IN
IN
IN
IN
IN
C
1
2
1
2
1
2
Pin voltage (V)
V
CC
2.2 to
0 to 5
– 0.7
• AGC pin
• Internal reference voltage. About 6.3 V.
• Hall element inputs pin
• Speed control pin
The Hall amplifier gain can be controlled according to the
amplitude of the Hall input by inserting a capacitor between this
pin and ground.
This IC adopts a current control type in which the output current
is controlled by the pin 16 voltage. The control start voltage
changes about 1.3 to 1.4 V if pin 15 is connected to ground.
Pin description
LB1855NM
Equivalent circuit
No. 5798-4/5